diff --git a/vlib/v/gen/c/cheaders.v b/vlib/v/gen/c/cheaders.v
index f066a745fd..775e4c179f 100644
--- a/vlib/v/gen/c/cheaders.v
+++ b/vlib/v/gen/c/cheaders.v
@@ -145,13 +145,13 @@ static char __CLOSURE_GET_DATA_BYTES[] = {
 };
 #elif defined (__V_s390x)
 static char __closure_thunk[] = {
-	0xC0, 0x30, 0xFF, 0xFF, 0xE0, 0x00,  // larl %r3, -16384
-	0xE3, 0x40, 0x30, 0x00, 0x00, 0x04,  // lg   %r4, 0(%r3)
-	0xE3, 0x30, 0x30, 0x08, 0x00, 0x04,  // lg   %r3, 8(%r3)
-	0x07, 0xF3,			     // br   %r3
+	0xC0, 0x70, 0xFF, 0xFF, 0xE0, 0x00,  // larl %r7, -16384
+	0x68, 0xF0, 0x70, 0x00,		     // ld   %f15, 0(%r7)
+	0xE3, 0x70, 0x70, 0x08, 0x00, 0x04,  // lg   %r7, 8(%r7)
+	0x07, 0xF7,			     // br   %r7
 };
 static char __CLOSURE_GET_DATA_BYTES[] = {
-	0xB9, 0x04, 0x00, 0x24,		     // lgr  %r2, %r4
+	0xB3, 0xCD, 0x00, 0x2F,		     // lgdr %r2, %f15
 	0x07, 0xFE,			     // br   %r14
 };
 #elif defined (__V_ppc64le)